[INFO] fetching crate dotrix_core 0.5.2...
[INFO] checking dotrix_core-0.5.2 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate dotrix_core 0.5.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate dotrix_core 0.5.2 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dotrix_core 0.5.2
[INFO] finished tweaking crates.io crate dotrix_core 0.5.2
[INFO] tweaked toml for crates.io crate dotrix_core 0.5.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "3c1388b3a4118b28c5b671ba2b6480dd00f4c361de8048e575755954834ac052", kill_on_drop: false }`
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[INFO] [stderr]     Checking dotrix_core v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/assets/skin.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 |             for (mut joint_index, matrix) in index.iter_mut().zip(inverse_bind_matrices.iter()) {
[INFO] [stdout]     |                  ----^^^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/assets/skin.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 |             for (mut joint_index, matrix) in index.iter_mut().zip(inverse_bind_matrices.iter()) {
[INFO] [stdout]     |                  ----^^^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]   --> src/world/container.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     let mut_ptr = vec_ptr as *mut Vec<T>;
[INFO] [stdout]    |                                   ---------------------- casting happend here
[INFO] [stdout] 60 |                     &mut *mut_ptr
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]    = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotrix_core` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/world/container.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 91 |     struct Item2(u32);
[INFO] [stdout]    |            ----- ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 91 |     struct Item2(());
[INFO] [stdout]    |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/world.rs:381:19
[INFO] [stdout]     |
[INFO] [stdout] 381 |     struct Health(u32);
[INFO] [stdout]     |            ------ ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 381 |     struct Health(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/world.rs:384:19
[INFO] [stdout]     |
[INFO] [stdout] 384 |     struct Weight(u32);
[INFO] [stdout]     |            ------ ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 384 |     struct Weight(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ecs.rs:379:24
[INFO] [stdout]     |
[INFO] [stdout] 379 |     struct MyComponent(u64);
[INFO] [stdout]     |            ----------- ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 379 |     struct MyComponent(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]   --> src/world/container.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     let mut_ptr = vec_ptr as *mut Vec<T>;
[INFO] [stdout]    |                                   ---------------------- casting happend here
[INFO] [stdout] 60 |                     &mut *mut_ptr
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]    = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotrix_core` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3c1388b3a4118b28c5b671ba2b6480dd00f4c361de8048e575755954834ac052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1388b3a4118b28c5b671ba2b6480dd00f4c361de8048e575755954834ac052", kill_on_drop: false }`
[INFO] [stdout] 3c1388b3a4118b28c5b671ba2b6480dd00f4c361de8048e575755954834ac052
[INFO] checking dotrix_core-0.5.2 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate dotrix_core 0.5.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate dotrix_core 0.5.2 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dotrix_core 0.5.2
[INFO] finished tweaking crates.io crate dotrix_core 0.5.2
[INFO] tweaked toml for crates.io crate dotrix_core 0.5.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
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[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/assets/animation.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for i in 0..self.keyframes.len() - 1 {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/assets/load_gltf.rs:229:44
[INFO] [stdout]     |
[INFO] [stdout] 229 |             let data = base64::decode(&uri[URI_IMAGE_PNG.len()..])?;
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/assets/load_gltf.rs:242:40
[INFO] [stdout]     |
[INFO] [stdout] 242 |             let data = &buffers[index][offset..tail];
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/assets/mesh.rs:95:21
[INFO] [stdout]    |
[INFO] [stdout] 95 |         for face in 0..faces {
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/assets.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |         for id in 0..threads_count {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/input.rs:404:35
[INFO] [stdout]     |
[INFO] [stdout] 404 |     let is_in_private_use_area = ('\u{e000}'..='\u{f8ff}').contains(&chr)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/input.rs:405:13
[INFO] [stdout]     |
[INFO] [stdout] 405 |         || ('\u{f0000}'..='\u{ffffd}').contains(&chr)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/input.rs:406:13
[INFO] [stdout]     |
[INFO] [stdout] 406 |         || ('\u{100000}'..='\u{10fffd}').contains(&chr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/renderer/backend.rs:172:36
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 rpass.draw_indexed(0..count, 0, 0..1);
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/renderer/backend.rs:172:49
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 rpass.draw_indexed(0..count, 0, 0..1);
[INFO] [stdout]     |                                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/renderer/backend.rs:175:28
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 rpass.draw(0..count, 0..1);
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/renderer/backend.rs:175:38
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 rpass.draw(0..count, 0..1);
[INFO] [stdout]     |                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/world.rs:393:21
[INFO] [stdout]     |
[INFO] [stdout] 393 |         let bulk = (0..9).map(|_| (Speed(35), Weight(5000)));
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/assets/animation.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for i in 0..self.keyframes.len() - 1 {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/assets/load_gltf.rs:229:44
[INFO] [stdout]     |
[INFO] [stdout] 229 |             let data = base64::decode(&uri[URI_IMAGE_PNG.len()..])?;
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/assets/load_gltf.rs:242:40
[INFO] [stdout]     |
[INFO] [stdout] 242 |             let data = &buffers[index][offset..tail];
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/assets/mesh.rs:95:21
[INFO] [stdout]    |
[INFO] [stdout] 95 |         for face in 0..faces {
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/assets.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |         for id in 0..threads_count {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/input.rs:404:35
[INFO] [stdout]     |
[INFO] [stdout] 404 |     let is_in_private_use_area = ('\u{e000}'..='\u{f8ff}').contains(&chr)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/input.rs:405:13
[INFO] [stdout]     |
[INFO] [stdout] 405 |         || ('\u{f0000}'..='\u{ffffd}').contains(&chr)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/input.rs:406:13
[INFO] [stdout]     |
[INFO] [stdout] 406 |         || ('\u{100000}'..='\u{10fffd}').contains(&chr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/renderer/backend.rs:172:36
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 rpass.draw_indexed(0..count, 0, 0..1);
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/renderer/backend.rs:172:49
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 rpass.draw_indexed(0..count, 0, 0..1);
[INFO] [stdout]     |                                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/renderer/backend.rs:175:28
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 rpass.draw(0..count, 0..1);
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/renderer/backend.rs:175:38
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 rpass.draw(0..count, 0..1);
[INFO] [stdout]     |                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/assets/skin.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 |             for (mut joint_index, matrix) in index.iter_mut().zip(inverse_bind_matrices.iter()) {
[INFO] [stdout]     |                  ----^^^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/assets/skin.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 |             for (mut joint_index, matrix) in index.iter_mut().zip(inverse_bind_matrices.iter()) {
[INFO] [stdout]     |                  ----^^^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]   --> src/world/container.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     let mut_ptr = vec_ptr as *mut Vec<T>;
[INFO] [stdout]    |                                   ---------------------- casting happend here
[INFO] [stdout] 60 |                     &mut *mut_ptr
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]    = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/world/container.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 91 |     struct Item2(u32);
[INFO] [stdout]    |            ----- ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 91 |     struct Item2(());
[INFO] [stdout]    |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/world.rs:381:19
[INFO] [stdout]     |
[INFO] [stdout] 381 |     struct Health(u32);
[INFO] [stdout]     |            ------ ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 381 |     struct Health(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/world.rs:384:19
[INFO] [stdout]     |
[INFO] [stdout] 384 |     struct Weight(u32);
[INFO] [stdout]     |            ------ ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 384 |     struct Weight(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ecs.rs:379:24
[INFO] [stdout]     |
[INFO] [stdout] 379 |     struct MyComponent(u64);
[INFO] [stdout]     |            ----------- ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 379 |     struct MyComponent(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]   --> src/world/container.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     let mut_ptr = vec_ptr as *mut Vec<T>;
[INFO] [stdout]    |                                   ---------------------- casting happend here
[INFO] [stdout] 60 |                     &mut *mut_ptr
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]    = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotrix_core` (lib) due to 2 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotrix_core` (lib test) due to 2 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "70a8c28463b0154f4d2c456e5e30de3e40e7f46c42bdbd094a0e3b51df238fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a8c28463b0154f4d2c456e5e30de3e40e7f46c42bdbd094a0e3b51df238fb2", kill_on_drop: false }`
[INFO] [stdout] 70a8c28463b0154f4d2c456e5e30de3e40e7f46c42bdbd094a0e3b51df238fb2
